meanwhile at the pentagon officials are looking at big changes in how they fight cyber terror. bob orr is in washington. >> those attacks on the "new york times" and "wall street journal" are part of a plot to crack critical systems inside of the u.s. cyber detectives traced the computer break-ins at "the new york times" and "wall street journal" to government hackers inside china. chinese deny the allegations calling them not professional and groundless but both papers say there is evidence hackers stole reporters' passwords and attempted to monitor coverage of the chinese government. newspapers are just the latest targets. sources say state-sponsored spies mostly from china every day infiltrate a broad spectrum of government and business networks inside the u.s. >> cyber, i believe, represents as big a threat to the security of this country as any one specific threat. >> reporter: at his confirmation hearing thursday secretary of defense nominee chuck hagel warned computer-based attacks could be crippling. >> it's an insidious, quiet kind of a threat that we've never quite se